Do you both seriously think that there is a universal Engineer code?
Think of any number of 4,5 or 6 digits made up from 1234567890 that should give you the idea.
Engineer codes are usually decided upon at the time of installation, unique to the system or the company that installed the system.
There is also 'Code of the day', a daily changing code calculated by, .............. I think that is far enough.
acorn, October 2009
